Help with History please

The Manhattan Project was a massive government, industry, and academic partnership that worked for three years to create an atomic weapon. Which of the following was not true about it?

The atomic bomb was first tested at Alamogordo, New Mexico.Vice President Truman was actively involved.President Truman took responsibility for the decision to drop the atomic bombs.It led to the atomic bombs dropped on Hiroshima and then Nagasaki.